Use defensive code to assure that we do SDCH and DNS histograms in trial only
Use defensive code to assure that we do SDCH and DNS histograms in trial only

Part of tree fix.  I temporarilly ifdef'ed the code to repair the tree.
This is a better fix.

r=davemoore
Review URL: http://codereview.chromium.org/151086

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@19627 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser